SYSTEMS AND METHODS FOR MONITORING LONGWALL MINE ROOF STABILITY
Systems and methods are described for monitoring a condition of a mine roof using a longwall mining system. A plurality of powered roof supports is controlled to apply an adjustable support pressure on a mine roof. A condition of the mine roof is monitored based on the adjustable support pressure ap...
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| creator | Knuth Jason |
| description | Systems and methods are described for monitoring a condition of a mine roof using a longwall mining system. A plurality of powered roof supports is controlled to apply an adjustable support pressure on a mine roof. A condition of the mine roof is monitored based on the adjustable support pressure applied to the roof by a respective actuator of each powered roof support. In some implementations, the condition of the mine roof is monitored by generating and analyzing a graphical pressure map based on the adjustable support pressure applied by each powered roof support and a relative position of a shearer moving across the mine face. In some implementations, roof collapse events are detected based on temporally similar changes in the adjustable support pressure applied by multiple adjacent powered roof supports as indicated by the graphical pressure map. |
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A plurality of powered roof supports is controlled to apply an adjustable support pressure on a mine roof. A condition of the mine roof is monitored based on the adjustable support pressure applied to the roof by a respective actuator of each powered roof support. In some implementations, the condition of the mine roof is monitored by generating and analyzing a graphical pressure map based on the adjustable support pressure applied by each powered roof support and a relative position of a shearer moving across the mine face. In some implementations, roof collapse events are detected based on temporally similar changes in the adjustable support pressure applied by multiple adjacent powered roof supports as indicated by the graphical pressure map.</description><language>eng</language><subject>ALARM SYSTEMS ; EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; MINING OR QUARRYING ; ORDER TELEGRAPHS ; PHYSICS ; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS ; SHAFTS ; SIGNALLING ; SIGNALLING OR CALLING SYSTEMS ; TUNNELS</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161215&DB=EPODOC&CC=US&NR=2016362980A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161215&DB=EPODOC&CC=US&NR=2016362980A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Knuth Jason</creatorcontrib><title>SYSTEMS AND METHODS FOR MONITORING LONGWALL MINE ROOF STABILITY</title><description>Systems and methods are described for monitoring a condition of a mine roof using a longwall mining system. A plurality of powered roof supports is controlled to apply an adjustable support pressure on a mine roof. A condition of the mine roof is monitored based on the adjustable support pressure applied to the roof by a respective actuator of each powered roof support. In some implementations, the condition of the mine roof is monitored by generating and analyzing a graphical pressure map based on the adjustable support pressure applied by each powered roof support and a relative position of a shearer moving across the mine face. In some implementations, roof collapse events are detected based on temporally similar changes in the adjustable support pressure applied by multiple adjacent powered roof supports as indicated by the graphical pressure map.</description><subject>ALARM SYSTEMS</subject><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MINING</subject><subject>MINING OR QUARRYING</subject><subject>ORDER TELEGRAPHS</subject><subject>PHYSICS</subject><subject>SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS</subject><subject>SHAFTS</subject><subject>SIGNALLING</subject><subject>SIGNALLING OR CALLING SYSTEMS</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAPjgwOcfUNVnD0c1HwdQ3x8HcJVnDzD1Lw9ffzDPEP8vRzV_Dx93MPd_TxUfD19HNVCPL3d1MIDnF08vTxDInkYWBNS8wpTuWF0twMym6uIc4euqkF-fGpxQWJyal5qSXxocFGBoZmxmZGlhYGjobGxKkCAFA6K6Q</recordid><startdate>20161215</startdate><enddate>20161215</enddate><creator>Knuth Jason</creator><scope>EVB</scope></search><sort><creationdate>20161215</creationdate><title>SYSTEMS AND METHODS FOR MONITORING LONGWALL MINE ROOF STABILITY</title><author>Knuth Jason</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2016362980A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2016</creationdate><topic>ALARM SYSTEMS</topic><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>MINING</topic><topic>MINING OR QUARRYING</topic><topic>ORDER TELEGRAPHS</topic><topic>PHYSICS</topic><topic>SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS</topic><topic>SHAFTS</topic><topic>SIGNALLING</topic><topic>SIGNALLING OR CALLING SYSTEMS</topic><topic>TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>Knuth Jason</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Knuth Jason</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SYSTEMS AND METHODS FOR MONITORING LONGWALL MINE ROOF STABILITY</title><date>2016-12-15</date><risdate>2016</risdate><abstract>Systems and methods are described for monitoring a condition of a mine roof using a longwall mining system. A plurality of powered roof supports is controlled to apply an adjustable support pressure on a mine roof. A condition of the mine roof is monitored based on the adjustable support pressure applied to the roof by a respective actuator of each powered roof support. In some implementations, the condition of the mine roof is monitored by generating and analyzing a graphical pressure map based on the adjustable support pressure applied by each powered roof support and a relative position of a shearer moving across the mine face. In some implementations, roof collapse events are detected based on temporally similar changes in the adjustable support pressure applied by multiple adjacent powered roof supports as indicated by the graphical pressure map.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALARM SYSTEMS EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING MINING OR QUARRYING ORDER TELEGRAPHS PHYSICS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS SIGNALLING SIGNALLING OR CALLING SYSTEMS TUNNELS |
| title | SYSTEMS AND METHODS FOR MONITORING LONGWALL MINE ROOF STABILITY |
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